#ifndef _fre_H_
#define _fre_H_

#include "link.h"

class CBlocksMatrix;
class CTetradFactory
{
public:
	CTetradFactory();
	~CTetradFactory();
	CTetrad* CreateTetrad(CBlocksMatrix* pMatrix);
	CTetrad* taongana(CBlocksMatrix* pngan);
	CTetrad* taoga(CBlocksMatrix* pga);
	CTetrad* taovit(CBlocksMatrix* pvit);
	CTetrad* taoro(CBlocksMatrix* pro);

};

#endif
